Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Tokyo, JP ranks #1 worldwide for total patents filed all time, with 716,148 patents from 91,278 inventors. Leading employers of inventors based in Tokyo, JP include Disco, Nec, Ricoh Company.

Showing 16,201–16,250 of 91,278 inventors

Rank Inventor Primary Company Patents
#16169 Tomotaka Tabuchi Disco 10
#16169 Tomoya Kaku Nec 10
#16169 Hiroki Asakimori Ricoh Company 10
#16169 Tetsunori Nakayama Sony 10
#16169 Ritsuko Inoue Sony 10
#16169 Akihiro NABESHIMA Subaru 10
#16169 Jumpei Morita Honda Motor Co. 10
#16169 Yuiko Hirose Tdk 10
#16169 Sohan Kawamura NTT 10
#16169 Katuo Asami Fujitsu Limited 10
#16169 Yuta Takashima Gigaphoton 10
#16169 Hiroki Kitanosako Canon 10
#16169 Toru Kiyohara Mitsubishi Electric 10
#16169 Yoshikazu Narumiya Tdk 10
#16169 Yuki Morisaki Mitsubishi Electric 10
#16169 Ryohei Kitamura Honda Motor Co. 10
#16169 Motohide Sugihara Komatsu 10
#16169 Satoshi Seino Fujitsu Limited 10
#16169 Tomihiro Takano Mitsubishi Electric 10
#16169 Katsuya Fukushima Thk Co. 10
#16169 Masashi Yokogi Mitsubishi Chemical 10
#16169 Nobuyuki Shiraishi Astellas Pharma 10
#16169 Kazuyuki KAMO Showa Denko Materials Co. 10
#16169 Takuma Morita Sony 10
#16169 Tsutomu Kinoshita Asmo Co. 10
#16169 Keishiro Yamamoto Casio Keisanki 10
#16169 Asuka Ishii Nec 10
#16169 Hitoshi Miyata 10
#16169 Shota Ishikawa Honda Motor Co. 10
#16169 Soshi Yoshimoto Jfe Steel 10
#16169 Kiyotaka Nakayama Kaneka 10
#16169 Shiro Akama Ricoh Company 10
#16169 Hironari Sudeji Zeon 10
#16169 Yasufumi KAWAKAMI Sumco 10
#16169 Hideyuki TSUCHIYA Showa Denko Materials Co. 10
#16169 Kenichi Kawaguchi Astellas Pharma 10
#16169 Hisao Kado Sapporo Breweries Limited 10
#16169 Yu YOSHIMURA NTT 10
#16169 Shoya MANO Mitsubishi Electric 10
#16169 Haruto TANNO NTT 10
#16169 Shinzo Higuchi Ricoh Company 10
#16169 Arata IIZUKA Mitsubishi Electric 10
#16169 Daisuke Nakazawa Mitsubishi Electric 10
#16169 Miwako TANAKA Mitsubishi Electric 10
#16169 Tomoya Koga Ricoh Company 10
#16169 Junichi NAKASHIMA Mitsubishi Electric 10
#16169 Takahisa Yamauchi Mitsubishi Electric 10
#16169 Takafumi Mizojiri Ushio Denki Kabushiki Kaisha 10
#16169 Tohru Natsume National Institute Of Advanced Industrial Science And Technology 10
#16169 Kazuaki Ebata Idemitsu Kosan Co. 10